57mm ESP Forkhead Block

57mm ESP Forkhead Block

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Fulfilled by Vendor, typically 2-3 weeks.

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This item will be fulfilled from the vendor. Delivery time varies – typically 2–3 weeks.

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$109.60
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Model # 11872157 Mfg # 6105
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Harken 57mm ESP Forkhead Block with a high-strength axle for high static loads. 

Designed to handle the high loads generated by modern racing and cruising boats, ESP blocks feature sleeve bearings to ensure smooth, hitch-free performance under high load and heavy winds. Simple design and construction for handling high static loads on cruising boats. Ideal for halyards or limited purchase systems on cruising boats. Aluminum or polished stainless steel.

Key Features 

  • Carbon-black Torlon ball bearings
  • Long-glass engineered plastic Sheave
  • Contained-axle sleeve 
  • Sheave Diameter: 2 1/4" (57 mm) 
  • Max. Line Diameter: 3/8" (10 mm)  
  • Max. Working Load (MWL): 1650 lb. (748 kg)  
  • Breaking Load: 3300 lb. (1496 kg)   
  • Weight: 4.5 oz. (129 g) 
  • Length: 4 1/2" (114 mm)
Ball Bearings Torlon
Diameter 5/8 Inch or 16 mm
Direction Any
Integral Cleat No Integral Cleat
Length 4 1/2 Inches
Ratchet Non Ratcheting
Safe Working Load 1650 Pounds
Type Single
Weight 4.5 Ounces
Sheave Diameter 57 mm